Composition & Closures — Series 3

from functools import reduce

def safe_divide(acc, x):
    return acc / x

nums = [100, 5, 2, 0, 4]
try:
    result = reduce(safe_divide, nums)
except ZeroDivisionError:
    print("ZeroDivisionError")
print("done")

def accumulator():
    total = 0
    while True:
        value = yield total
        total += value

acc = accumulator()
print(next(acc))
print(acc.send(10))
print(acc.send(5))
print(acc.send(-3))

def make_toggle():
    state = False
    def toggle():
        nonlocal state
        state = not state
        return state
    return toggle

t = make_toggle()
print(t())
print(t())
print(t())

t2 = make_toggle()
print(t2())